4 years ago

The matrix 1 2 4(0 1 6/7 is being used to solve a system of equations. The solution to the system is

1 answer:

5 0

| 1 2 ||x| = |4| - | 3 -1 ||y| |6| -3 | 1 2||x| = |4| 
| 3 -1||y| |6| 

|-3 -6||x| = |-12| 
| 3 -1||y| |6 | 

| 0 -7 ||x| = | -6 | 
| 3 -1 ||y| | 6 | 

y = 6/7 

x = 16/7

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